If you can tell me the you are trying to use the BST-900W for (e.g., charging batteries, running a motor), I can give you more targeted settings and advice. Alternatively, Share public link
A "rotation display" mode can be enabled to automatically cycle through all real-time parameters.
The interface consists of four tactile buttons:
In the normal operating interface, long press SET to enter the recall menu, select the desired set group ( ), and press SET to confirm. Important Notes bst900w manual
When you get your manual, write these three values on a sticker attached to the device:
Press OK to activate the boost. The OUT indicator will light up. 2. Memory Slots: Saving & Recalling Go to product viewer dialog for this item. can store 10 groups of settings (0–9).
Ensure the "IN+" and "IN-" terminals are connected correctly to your power source. Reversing polarity will blow the fuse or damage the board. If you can tell me the you are
A: No. The BST900W is specifically a Boost (Step-Up) converter. The output voltage must be higher than the input voltage.
The BST900W features a four-digit LED display and four control buttons:
The 4-character seven-segment LED display shows parameters in real-time. By default, it alternates between and Current , but it can be configured to cycle through Power (W) and Capacity (Ah) . Important Notes When you get your manual, write
Displays total elapsed runtime (H) since the output was activated. Advanced Memory Functions (Presets)
The BST900W includes hidden functionality modes to change how the device behaves upon receiving power. To enter these settings, hold down the button while powering on the module. Use the arrows to cycle through the numbers and press OK to select. Mode 00: Standard Manual Mode